From Wiktionary, the free dictionary
From suf + kop.
sufkop m or f (plural sufkoppen, diminutive sufkopje n)
- someone who is not fully awake or alert; a sleepyhead or dreamer
- (mildly derogatory) fool, idiot
- Synonyms: dombo, domkop, dommerik, domoor, dwaas, ezel, ezelsveulen, idioot, kalf, kalverkop, kneus, leeghoofd, oelewapper, oen, rund, steenezel, sufferd, sukkel, stommeling, uil, uilskuiken
